How long is the flight from Portland to Southeast Asia?

A quick flight from Portland to Southeast Asia can take about 28h 25m. Air Canada provides one of the quickest options available for as low as $782. The distance from Portland to Southeast Asia is about 8123 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines to fly from Portland to Southeast Asia one-way?

The cheapest airlines for a one-way flight from Portland to Southeast Asia are Air Canada ($387), Qatar Airways ($387), and United Airlines ($398).

In terms of precipitation, rainfall in Southeast Asia ranges from 0.4 - 15.7 inches per month. July is typically the wettest month, when rainfall can reach 15.7 in. February is typically the driest time to visit Southeast Asia when rainfall is around 0.4 in.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

What are the most popular routes from Portland to Southeast Asia?

While some choose either Portland - Ho Chi Minh City or Portland - Manila Ninoy Aquino Intl, Portland - Bangkok Suvarnabhumi is the most popular route from Portland to Southeast Asia.

What are the most popular airlines that fly from Portland to Southeast Asia?

The most popular airlines flying from Portland to Southeast Asia are United Airlines, STARLUX Airlines and Air Canada. Something to consider prior to booking your flight.

What airport do you fly from for flights from Portland to Southeast Asia?

Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Southeast Asia.

Can I find deals for flights from Portland to Southeast Asia that include hotel bookings?

Yes. In addition to deals on Portland to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Southeast Asia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Southeast Asia.

Can I find deals for business class flights from Portland to Southeast Asia?

Yes. Cheapflights offers flight deals from Portland to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$348+ Flights from Portland to Southeast Asia

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Cheap flight deals from Portland to Southeast Asia

Cheapest flights from Portland to Southeast Asia
Explore the most affordable flight options available from Portland to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Tue 12/307:45 pmPDX - SGN

3 stops36h 10mUnited Airlines

Wed 1/2811:05 pmSGN - PDX

2 stops28h 28mUnited Airlines

Deal found 12/22

$874

Sat 12/277:30 amPDX - SIN

1 stop20h 45mUnited Airlines

Mon 1/1210:10 amSIN - PDX

1 stop24h 45mUnited Airlines

Deal found 12/22

$1,053

Sat 12/277:30 amPDX - SIN

1 stop20h 45mUnited Airlines

Tue 1/1310:20 pmSIN - PDX

2 stops38h 52mUnited Airlines

Deal found 12/22

$1,057

Wed 12/317:30 amPDX - KUL

2 stops34h 50mUnited Airlines

Sat 1/315:00 pmKUL - PDX

2 stops35h 34mUnited Airlines

Deal found 12/23

$1,079

Thu 12/253:59 pmPDX - CEB

2 stops50h 46mMultiple Airlines

Wed 1/2110:50 amCEB - PDX

2 stops25h 57mMultiple Airlines

Deal found 12/21

$1,114

Wed 12/317:30 amPDX - SIN

1 stop20h 45mUnited Airlines

Sat 1/3110:45 amSIN - PDX

1 stop28h 21mUnited Airlines

Deal found 12/23

$1,185

Wed 12/3110:23 amPDX - KUL

3 stops43h 17mMultiple Airlines

Sat 1/318:05 amKUL - PDX

3 stops48h 43mMultiple Airlines

Deal found 12/23

$1,186

Fri 12/269:50 pmPDX - BKK

2 stops35h 25mCathay Pacific

Fri 1/231:05 pmBKK - PDX

2 stops22h 29mCathay Pacific

Deal found 12/21

$1,245

Wed 12/317:15 amPDX - SIN

3 stops46h 30mMultiple Airlines

Sat 1/318:50 amSIN - PDX

1 stop25h 40mMultiple Airlines

Deal found 12/23

$1,253

Tue 12/307:30 amPDX - BKK

3 stops36h 55mUnited Airlines

Sun 1/119:10 amBKK - PDX

2 stops44h 36mUnited Airlines

Deal found 12/21

$1,257

Fri 12/265:10 amPDX - CGK

2 stops35h 05mQatar Airways

Thu 1/156:20 pmCGK - PDX

2 stops41h 27mQatar Airways

Deal found 12/21

$1,279

Thu 12/259:19 amPDX - SGN

2 stops23h 01mMultiple Airlines

Sat 12/2711:50 pmSGN - PDX

2 stops26h 48mMultiple Airlines

Deal found 12/21

$1,282

Best flights from Portland to Southeast Asia
Discover carefully curated flight deals from Portland to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Mon 4/67:05 pmPDX - SIN

2 stops28h 25mAir Canada

Mon 4/206:15 amSIN - PDX

2 stops27h 15mAir Canada

Deal found 12/22

$782

Wed 1/215:25 pmPDX - SGN

2 stops38h 55mKorean Air

Tue 2/102:05 pmSGN - PDX

2 stops37h 39mKorean Air

Deal found 12/21

$789

Sun 2/11:38 pmPDX - CEB

2 stops36h 57mSTARLUX Airlines

Sun 2/87:35 pmCEB - PDX

2 stops41h 12mSTARLUX Airlines

Deal found 12/22

$802

Thu 1/223:50 pmPDX - SGN

3 stops40h 05mUnited Airlines

Tue 2/106:00 amSGN - PDX

3 stops33h 39mUnited Airlines

Deal found 12/22

$804

Mon 1/267:10 amPDX - CGK

2 stops46h 10mDelta

Wed 2/49:50 pmCGK - PDX

2 stops33h 40mDelta

Deal found 12/23

$825

Mon 2/167:30 amPDX - MNL

1 stop31h 20mANA

Tue 2/242:50 pmMNL - PDX

2 stops20h 05mANA

Deal found 12/22

$829

Fri 3/62:30 pmPDX - DAD

2 stops35h 45mMultiple Airlines

Thu 3/196:25 pmDAD - PDX

2 stops19h 29mMultiple Airlines

Deal found 12/22

$841

Sun 3/19:30 pmPDX - HKT

2 stops46h 50mCathay Pacific

Mon 3/912:20 pmHKT - PDX

2 stops25h 22mCathay Pacific

Deal found 12/21

$901

Tue 3/107:05 amPDX - DPS

2 stops26h 15mSingapore Airlines

Wed 3/181:35 amDPS - PDX

2 stops33h 57mSingapore Airlines

Deal found 12/21

$904

Thu 2/129:48 pmPDX - KUL

2 stops45h 57mEVA Air

Sun 2/2212:55 pmKUL - PDX

2 stops47h 06mEVA Air

Deal found 12/22

$1,293

Thu 4/2310:45 amPDX - SGN

2 stops21h 20mKorean Air

Mon 6/297:35 amSGN - PDX

2 stops22h 58mKorean Air

Deal found 12/21

$789

Thu 1/227:51 pmPDX - SGN

3 stops36h 04mUnited Airlines

Mon 1/266:00 amSGN - PDX

3 stops32h 06mUnited Airlines

Deal found 12/21

$804

Thu 3/193:15 pmPDX - SIN

1 stop24h 45mAir Canada

Mon 4/2011:55 pmSIN - PDX

2 stops29h 45mAir Canada

Deal found 12/21

$808

Tue 4/75:45 pmPDX - DAD

2 stops33h 50mSTARLUX Airlines

Mon 4/136:45 pmDAD - PDX

2 stops40h 53mSTARLUX Airlines

Deal found 12/22

$820

Sun 1/255:15 pmPDX - CGK

2 stops60h 05mDelta

Tue 2/109:50 pmCGK - PDX

2 stops33h 40mDelta

Deal found 12/23

$830

Tue 3/32:30 pmPDX - DAD

2 stops35h 45mMultiple Airlines

Tue 5/56:45 pmDAD - PDX

2 stops28h 45mMultiple Airlines

Deal found 12/22

$841

Thu 1/226:25 amPDX - SGN

2 stops25h 55mKorean Air

Mon 1/262:05 pmSGN - PDX

2 stops41h 20mKorean Air

Deal found 12/20

$789

Sun 1/187:51 pmPDX - SGN

3 stops36h 04mUnited Airlines

Sun 1/256:00 amSGN - PDX

3 stops32h 06mUnited Airlines

Deal found 12/21

$804

Sun 3/13:52 pmPDX - CEB

2 stops34h 43mSTARLUX Airlines

Sun 3/87:35 pmCEB - PDX

2 stops42h 06mSTARLUX Airlines

Deal found 12/22

$821

Sun 1/251:30 pmPDX - CGK

2 stops63h 50mDelta

Wed 2/49:50 pmCGK - PDX

2 stops33h 40mDelta

Deal found 12/23

$830

Tue 3/105:39 pmPDX - HKT

2 stops27h 41mCathay Pacific

Thu 3/1912:20 pmHKT - PDX

2 stops25h 38mCathay Pacific

Deal found 12/21

$922

Thu 5/145:30 amPDX - SIN

2 stops32h 45mAir Canada

Mon 5/1810:50 pmSIN - PDX

2 stops30h 55mAir Canada

Deal found 12/22

$844

Wed 2/42:57 pmPDX - HKT

2 stops25h 53mSingapore Airlines

Wed 2/116:00 pmHKT - PDX

2 stops31h 46mSingapore Airlines

Deal found 12/21

$929

Mon 3/3010:42 amPDX - SGN

2 stops21h 23mKorean Air

Mon 4/277:35 amSGN - PDX

2 stops21h 03mKorean Air

Deal found 12/22

$789

Mon 1/197:51 pmPDX - SGN

3 stops36h 04mUnited Airlines

Wed 2/46:00 amSGN - PDX

3 stops27h 56mUnited Airlines

Deal found 12/21

$804

Thu 2/2610:48 amPDX - SIN

3 stops40h 07mMultiple Airlines

Fri 3/611:00 pmSIN - PDX

2 stops27h 56mMultiple Airlines

Deal found 12/22

$886

Sat 3/77:57 pmPDX - DAD

2 stops30h 18mSTARLUX Airlines

Fri 3/206:25 pmDAD - PDX

2 stops41h 13mSTARLUX Airlines

Deal found 12/22

$835

Sun 1/189:30 pmPDX - KUL

2 stops47h 05mCathay Pacific

Tue 1/271:35 pmKUL - PDX

2 stops40h 06mCathay Pacific

Deal found 12/21

$926

Mon 3/22:30 pmPDX - HKT

2 stops28h 40mSingapore Airlines

Thu 3/122:55 pmHKT - PDX

2 stops32h 40mSingapore Airlines

Deal found 12/21

$929

Mon 3/1610:42 amPDX - BKK

2 stops22h 38mDelta

Wed 4/89:50 amBKK - PDX

2 stops25h 09mDelta

Deal found 12/20

$857

Last-minute flights from Portland to Southeast Asia
Discover last-minute flight deals from Portland to Southeast Asia. Data last updated December 23, 2025 and is based on user searches.

Mon 1/125:35 pmPDX - CEB

2 stops24h 15mSTARLUX Airlines

Thu 1/2910:50 amCEB - PDX

2 stops25h 57mSTARLUX Airlines

Deal found 12/22

$802

Thu 1/155:35 pmPDX - MNL

2 stops25h 30mSTARLUX Airlines

Thu 2/511:50 amMNL - PDX

2 stops26h 56mSTARLUX Airlines

Deal found 12/22

$813

Sun 1/187:51 pmPDX - SGN

3 stops36h 04mUnited Airlines

Wed 2/46:00 amSGN - PDX

3 stops23h 53mUnited Airlines

Deal found 12/22

$804

Sun 1/181:38 pmPDX - SGN

2 stops36h 12mChina Airlines

Sun 1/2511:00 amSGN - PDX

2 stops37h 29mChina Airlines

Deal found 12/21

$805

Sun 1/185:35 pmPDX - BKK

2 stops31h 55mSTARLUX Airlines

Thu 2/55:40 pmBKK - PDX

2 stops42h 07mSTARLUX Airlines

Deal found 12/22

$811

Sun 1/185:35 amPDX - SGN

2 stops26h 20mUnited Airlines

Tue 2/36:00 amSGN - PDX

3 stops28h 03mUnited Airlines

Deal found 12/22

$813

Mon 1/1910:33 amPDX - BKK

3 stops36h 37mMultiple Airlines

Mon 2/238:50 pmBKK - PDX

3 stops51h 52mMultiple Airlines

Deal found 12/21

$793

Mon 1/197:45 amPDX - SGN

2 stops47h 05mANA

Mon 1/267:30 amSGN - PDX

2 stops22h 16mANA

Deal found 12/21

$812

Tue 1/203:22 pmPDX - MNL

2 stops46h 23mJapan Airlines

Tue 1/2711:30 pmMNL - PDX

2 stops33h 20mJapan Airlines

Deal found 12/21

$803

Thu 1/226:25 amPDX - SGN

2 stops25h 55mKorean Air

Mon 1/262:05 pmSGN - PDX

2 stops45h 35mKorean Air

Deal found 12/21

$789

Thu 1/221:38 pmPDX - SGN

2 stops29h 22mChina Airlines

Tue 2/105:50 pmSGN - PDX

2 stops19h 56mChina Airlines

Deal found 12/21

$800

Thu 1/225:35 pmPDX - SGN

2 stops32h 10mSTARLUX Airlines

Tue 2/1011:40 amSGN - PDX

2 stops24h 07mSTARLUX Airlines

Deal found 12/23

$802

One-way flights from Portland to Southeast Asia
Search for one-way flight options from Portland to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Thu 4/99:00 amPDX - BKK

2 stops43h 30mMultiple Airlines

Deal found 12/21

$348

Thu 3/53:52 pmPDX - BKK

2 stops29h 08mMultiple Airlines

Deal found 12/22

$364

Wed 2/259:48 pmPDX - BKK

3 stops54h 47mMultiple Airlines

Deal found 12/20

$392

Wed 1/289:50 amPDX - BKK

2 stops22h 15mMultiple Airlines

Deal found 12/21

$400

Sun 2/1510:48 amPDX - BKK

3 stops35h 47mMultiple Airlines

Deal found 12/22

$404

Fri 2/279:48 pmPDX - BKK

3 stops54h 47mMultiple Airlines

Deal found 12/20

$408

Tue 2/171:36 pmPDX - MNL

1 stop22h 29mMultiple Airlines

Deal found 12/21

$409

Mon 2/2310:18 pmPDX - BKK

3 stops46h 42mMultiple Airlines

Deal found 12/20

$412

Thu 2/57:20 amPDX - MNL

2 stops22h 45mJapan Airlines

Deal found 12/22

$413

Sun 3/153:52 pmPDX - DPS

2 stops41h 18mMultiple Airlines

Deal found 12/22

$414

Wed 1/217:20 amPDX - MNL

2 stops30h 25mJapan Airlines

Deal found 12/21

$414

Tue 3/37:57 pmPDX - MNL

2 stops23h 08mSTARLUX Airlines

Deal found 12/22

$415

Find flight deals from Portland to Southeast Asia

Most accurate provider	eDreams 3 stars
Most trusted provider	Gurufare 3 stars
Round-trip from	$782 (Air Canada)
One-way from	$348 (SmartFares)
Popular in	December
Cheapest in	September
Average price	$1,697

Provider with most accurate pricing for Portland-Manila Ninoy Aquino Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Portland-Manila Ninoy Aquino Intl flights.

Search Deals

From Portland to Southeast Asia

Search Deals

One-way flight from Portland to Southeast Asia

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($85 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($51 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 4/6

7:05 pm-2:30 pm

2 stops28h 25m

Singapore Changi

Mon 4/20

6:15 am-6:30 pm

2 stops27h 15m

$782

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 1/21

5:25 pm-11:20 pm

2 stops38h 55m

Ho Chi Minh City

Tue 2/10

2:05 pm-12:44 pm

2 stops37h 39m

$789

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Thu 4/23

10:45 am-10:05 pm

2 stops21h 20m

Ho Chi Minh City

Mon 6/29

7:35 am-4:33 pm

2 stops22h 58m

$789

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Thu 1/22

6:25 am-11:20 pm

2 stops25h 55m

Ho Chi Minh City

Mon 1/26

2:05 pm-4:25 pm

2 stops41h 20m

$789

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Mon 3/30

10:42 am-10:05 pm

2 stops21h 23m

Ho Chi Minh City

Mon 4/27

7:35 am-2:38 pm

2 stops21h 03m

$789

PortlandCebu City

PDX - CEB

PDXCEB

Portland

Sun 2/1

1:38 pm-6:35 pm

2 stops36h 57m

Cebu City Mactan Intl

Sun 2/8

7:35 pm-8:47 pm

2 stops41h 12m

$802

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Thu 1/22

3:50 pm-10:55 pm

3 stops40h 05m

Ho Chi Minh City

Tue 2/10

6:00 am-12:39 am

3 stops33h 39m

$804

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Thu 1/22

7:51 pm-10:55 pm

3 stops36h 04m

Ho Chi Minh City

Mon 1/26

6:00 am-11:06 pm

3 stops32h 06m

$804

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Sun 1/18

7:51 pm-10:55 pm

3 stops36h 04m

Ho Chi Minh City

Sun 1/25

6:00 am-11:06 pm

3 stops32h 06m

$804

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Mon 1/19

7:51 pm-10:55 pm

3 stops36h 04m

Ho Chi Minh City

Wed 2/4

6:00 am-6:56 pm

3 stops27h 56m

$804

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 60 results

...

Best time to book a flight from Portland to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Portland with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Southeast Asia

What is the cheapest month to book a flight from Portland to Southeast Asia?

Currently, July is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $243). Flying from Portland to Southeast Asia in December is currently the most expensive (average of $826). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to YJX?

When flying from Portland to Southeast Asia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 10% versus a flight at noon.

What is the cheapest day to fly from Portland to Southeast Asia?

Travelers seeking maximum savings on their Portland to Southeast Asia flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Southeast Asia

Read reviews from past customers who have flown STARLUX Airlines, Korean Air, and United Airlines from Portland to Southeast Asia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

STARLUX Airlines

8.9

Very good

248 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

STARLUX Airlines

8.9

Very good

248 reviews

STARLUX Airlines

8.9

Very good

248 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Korean Air

8.4

Very good

1,185 reviews

STARLUX Airlines

8.9

Very good

248 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

United Airlines

7.4

Good

9,109 reviews

STARLUX Airlines

8.9

Very good

248 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Philippine Airlines

7.3

Good

943 reviews

STARLUX Airlines

8.9

Very good

248 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Air Canada

7.1

Good

10,551 reviews

STARLUX Airlines

8.9

Very good

248 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Related info for your journey

What airport do you fly from for flights from Portland to Southeast Asia?
Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Southeast Asia.
How long is the flight from Portland to Southeast Asia?
A quick flight from Portland to Southeast Asia can take about 28h 25m. Air Canada provides one of the quickest options available for as low as $782. The distance from Portland to Southeast Asia is about 8123 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from Portland to Southeast Asia one-way?
The cheapest airlines for a one-way flight from Portland to Southeast Asia are Air Canada ($387), Qatar Airways ($387), and United Airlines ($398).
What are the most popular routes from Portland to Southeast Asia?
While some choose either Portland - Ho Chi Minh City or Portland - Manila Ninoy Aquino Intl, Portland - Bangkok Suvarnabhumi is the most popular route from Portland to Southeast Asia.
Can I find deals for flights from Portland to Southeast Asia that include hotel bookings?
Yes. In addition to deals on Portland to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Southeast Asia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Southeast Asia.
Can I find deals for business class flights from Portland to Southeast Asia?
Yes. Cheapflights offers flight deals from Portland to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Portland to Southeast Asia?
Currently, July is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $243). Flying from Portland to Southeast Asia in December is currently the most expensive (average of $826). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Portland to Southeast Asia

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$202	Average$1,108	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$694	Average$1,041	FlexibilityNo cancel fee	On-time67%
Korean Air	Cheapest$755	Average$1,053	FlexibilityNo cancel fee	On-time81%
Singapore Airlines	Cheapest$759	Average$1,185	FlexibilityNo cancel fee	On-time81%
Japan Airlines	Cheapest$763	Average$964	FlexibilityNo cancel fee	On-time79%
STARLUX Airlines	Cheapest$769	Average$936	FlexibilityNo cancel fee	On-timeN/A
ANA	Cheapest$773	Average$973	FlexibilityNo cancel fee	On-time80%
China Airlines	Cheapest$781	Average$954	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$795	Average$1,035	FlexibilityNo cancel fee	On-time69%
EVA Air	Cheapest$858	Average$1,106	FlexibilityNo cancel fee	On-time74%

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$348+ Cheap flights from Portland (PDX) to Southeast Asia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Southeast Asia with Cheapflights

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Cheap flight deals from Portland to Southeast Asia

Cheapest flights from Portland to Southeast AsiaExplore the most affordable flight options available from Portland to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Explore the most affordable flight options available from Portland to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Find flight deals from Portland to Southeast Asia

Keep the following information in mind while searching for Portland to Southeast Asia flight deals. Data was last updated December 23, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Southeast Asia that are best for you.

Best time to book a flight from Portland to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Portland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Portland to Southeast Asia

What is the cheapest month to book a flight from Portland to Southeast Asia?

What is the cheapest time of day to fly from PDX to YJX?

Find hourly flight availability from Portland to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

What is the cheapest day to fly from Portland to Southeast Asia?

Use this chart to determine the cheapest time to fly round-trip from Portland to Southeast Asia. Price data was last updated on December 16, 2024.

Reviews of airlines servicing Southeast Asia

Read reviews from past customers who have flown STARLUX Airlines, Korean Air, and United Airlines from Portland to Southeast Asia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portland to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Portland to Southeast Asia?

How long is the flight from Portland to Southeast Asia?

What are the cheapest airlines to fly from Portland to Southeast Asia one-way?

What are the most popular routes from Portland to Southeast Asia?

Can I find deals for flights from Portland to Southeast Asia that include hotel bookings?

How can I find direct flights from Portland to Southeast Asia?

Can I find deals for business class flights from Portland to Southeast Asia?

What is the cheapest month to book a flight from Portland to Southeast Asia?

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Alternative routes for Portland to Southeast Asia

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Top 10 airlines flying from Portland to Southeast Asia

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Cheapest flights from Portland to Southeast Asia
Explore the most affordable flight options available from Portland to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.